Did You Know? #48

What do the following have in common: Sarcoline, Coquelicot, Smaragdine, Mikado, Glaucous, Wenge, Fulvous, Xanadu, Falu and Eburnean?

They are all colors: Sarcoline (flesh colored); Coquelicot (orange-tinted red); Smaragdine (emerald green); Mikado (bold yellow); Glaucous (blue-gray); Wenge (dark brown with copper undertones); Fulvous (brownish-yellow); Xanadu (gray-green); Falu (deep red); and Eburnean (ivory white).